Hi Jim, On Fri, Mar 14, 2025 at 10:29:42AM -0700, Jim Thompson wrote: > I don't think that's the right question. The question is, why add something > non-standard to the language that's easy enough for anyone who wants it to > just add as a macro?
It's not that easy. If you want to make it work for _BitInt() types, you'll find that it's actually difficult (and you must call a popcount function). And even for the usual macros that work for fundamental integer types, reviewing the code is rather difficult, due to the many casts and parentheses involved. I implemented one of those recently for shadow-utils, and the other maintainers were rightfully scared about reviewing that code. > To me people not answering THIS question is what leads > to fragmented languages. Could you clarify how this could lead to a fragmented language? I think it would unify the way people do this common operation, just like _Countof() will unify how people get the number of elements of an array. Have a lovely day! Alex -- <https://www.alejandro-colomar.es/>
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